Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.334394660409
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 0, worker: A334UFY5CL819N
darker: E (eq: True, dd: None), confidence: 2, worker: A1TKGFJSMVR2RP
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3S6JT56CCUSE2 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1BTE6I49HJW2V (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 2, worker: A1SRPH3BGCHUOA
darker: E (eq: True, dd: None), confidence: 2, worker: A2A42CU48PN8CX
(0: guessing, 1: probably, 2: definitely)